/*
Copyright 2013, Lorand Bendig

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.twitter.ambrose.hive.reporter;

/**
 * Factory class that takes care of creating a singleton instance of
 * {@link AmbroseHiveProgressReporter}. Hooks are retrieving the global
 * reporter instance from here through the lifecycle of the Hive script
 * 
 * @see EmbeddedAmbroseHiveProgressReporter
 * 
 * @author Lorand Bendig <lbendig@gmail.com>
 *
 */
public class AmbroseHiveReporterFactory {

  private AmbroseHiveReporterFactory() {}

  private static class EmbeddedReporterHolder {
    private static final EmbeddedAmbroseHiveProgressReporter INSTANCE = 
      new EmbeddedAmbroseHiveProgressReporter();
  }

  public static EmbeddedAmbroseHiveProgressReporter getEmbeddedProgressReporter() {
    return EmbeddedReporterHolder.INSTANCE;
  }

}
